Photo: U.S. Forest Service Northern Region Opens in a new tab. · CC BY 2.0
Water temperature is unconfirmed. Use a stream thermometer; stop trout fishing at 70°F or warmer, or sooner if fish show stress.
Rating updatedRiver local time:
USGS shows 517 cfs. The flow has been stable over about 6 hours. USGS marks this reading provisional and may revise it. USGS records for this date (1911-2025, 98 readings) show a typical middle range of 366 cfs to 592 cfs. Flow is within the typical range for this date, so weather, temperature, and access become the next checks.
NWS air forecast near
This is an air forecast, not a river-temperature reading. Check the water with a stream thermometer before fishing in hot weather.
RiverReports gauge
Showing the available RiverReports chart while the current structured flow series loads. Check the chart on RiverReports Opens in a new tab.
Mostly Cloudy
The National Weather Service forecast is temporarily unavailable.
RiverReports gauge: Lochsa River near Lowell
Seasonal starting points, not a live hatch report. Match what you see on the water.
Start with the season. Change one fly at a time.
Each fly name links to its matching Fly Box guide.
On this canyon river, the best trout water is often the soft water close to shore.
Look for soft pockets and short seams you can reach from the bank.
Use a longer leader, smaller flies, and quiet approaches.
Do not wade. Fast canyon current leaves little room for error.
Pause trout fishing as a fish-care precaution, not a legal closure. The Lowell flow gauge does not replace a thermometer.
Wading and Bank fishing have the same top score. Use current access, footing, weather, and local rules to choose.
Wading is in play only where your chosen access has clear footing, legal entry, and no forced crossings.
Bank and edge fishing remains a practical low-commitment option if access is legal and footing is safe.
This report does not recommend floating this reach.
Check the Lowell flow and today’s heat first. Fish early, carry a thermometer, and use the rule for the reach you choose.
Check the live Lowell graph before you leave. This page has no live water temperature, so carry a thermometer.
USGS shows 517 cfs. The flow has been stable over about 6 hours. USGS marks this reading provisional and may revise it. USGS records for this date (1911-2025, 98 readings) show a typical middle range of 366 cfs to 592 cfs. Flow is within the typical range for this date, so weather, temperature, and access become the next checks.
Fall · September through November: Cooler water, lower traffic, BWOs, Isonychia, and midges.
The current NWS air forecast is about 57F, and the next 24-hour high reaches about 83F. Mostly Cloudy.
No active NWS alert was returned for this forecast point.
Leave when the river is rising or the bank gives you no clean exit.
Use the live Lowell graph. Steady or falling water with clear bank pockets gives the simplest plan.
Leave when the river is rising or the bank gives you no clean exit.
Pick one named access, fish the soft water near shore, then move only if the next stop is clearly safer.
If the Lochsa does not fit, check the Clearwater or South Fork Clearwater report before changing rivers.
When: Best after runoff through early fall
Fish dries and short droppers in softer pockets when the water is cool.
When: Same trout window
Use the same reach rules and temperature check as cutthroat.
When: Year-round where the river is open and safe
Nymphs and soft hackles work in deeper runs and riffle tails.
When: Present in the system
Release every bull trout. Do not mistake one for a brook trout.
When: 2026 season closed August 10
Do not target salmon unless Idaho Fish and Game opens a new Lochsa season.
When: No open Lochsa steelhead fishery
The Lochsa is a wild steelhead refuge. Steelhead fishing is prohibited.
Use named access sites and read the rule for the reach you choose.
Steelhead fishing is prohibited. Chinook is closed unless Idaho opens a new season. Trout rules change at Wilderness Gateway, and bull trout are catch-and-release.
| River section and season | Fishing rules |
|---|---|
| Lower reachDecember 1 to Friday before Memorial Day weekend | From the mouth to the Wilderness Gateway motor bridge: barbless hooks. Trout are catch-and-release. No bait except maggots. Official rule |
| Lower reachMemorial Day weekend through November 30 | From the mouth to the Wilderness Gateway motor bridge: barbless hooks. Trout limit two, none under 14 inches. No bait. Official rule |
| Upper reachWilderness Gateway to Crooked Fork and Colt Killed creeks | Trout are catch-and-release only. No bait and barbless hooks are required. Official rule |
| ChinookLowell Bridge to Twin Bridges | The 2026 season closed August 10. Do not target salmon unless a new season opens. Official rule |
The motor bridge near milepost 122 is the boundary between the two trout-rule reaches.
Site detailsA named Forest Service campground and river-access site about 15 minutes east of Lowell.
Site detailsA primitive nonmotorized put-in and takeout at milepost 138. It unloads one group at a time, parks four vehicles, has no potable water, and does not list restroom information.
Site detailsOfficial flow, rules, access, weather, and trout-temperature guidance were checked August 20, 2026. No field visit is claimed.
Check what is allowed, where the rule applies, and whether the river is open.
Check the latest river reading and forecast before you leave.
Check public entry points, land rules, and seasonal access changes.
Use these links for stocking, safety, and other local details.
Check what is allowed, where the rule applies, and whether the river is open.
Open the current rules and check the river section, season, and special limits.
Open the current rules and check the river section, season, and special limits.
Open the current rules and check the river section, season, and special limits.
Check the latest river reading and forecast before you leave.
Open this page and check the latest safety advice before your trip.
Open this river reading to check the latest level, flow, and update time.
Check public entry points, land rules, and seasonal access changes.
Open the land or access page, then check signs before you park or enter.
Open the land or access page, then check signs before you park or enter.
Open the land or access page, then check signs before you park or enter.
Open the land or access page, then check signs before you park or enter.
Open the land or access page, then check signs before you park or enter.
Use these links for stocking, safety, and other local details.
Open this page and check the latest safety advice before your trip.
Open this page and check the latest safety advice before your trip.
What was checked: Official flow, rules, species, access, weather, and trout-temperature sources were checked. BlueStreamFly does not claim a Lochsa field visit or live hatch observation for this update.
Live measurements and forecasts keep their provider timestamps. Rules, access, and trip guidance use the source-review date shown here. BlueStreamFly planning advice is editorial interpretation, not an agency notice.
First-hand experience: BlueStreamFly does not claim a first-hand visit or local field test for this report unless a real contributor is explicitly named and linked.
No. Idaho Fish and Game says steelhead fishing is prohibited on the Lochsa and its smaller streams.
No. The 2026 Lochsa Chinook season closed August 10. Check Idaho Fish and Game for any future opening.
This report does not recommend a float. IDFG lists no developed ramp, and White Pine is a primitive nonmotorized access for skilled river users.
No. Measure the water where you plan to fish. Our fish-care recommendation is to stop trout fishing at 70°F or warmer, or sooner if fish show stress. This is a precaution, not an Idaho fishing closure.
